Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
MERSEN FUSE 6,9 URD 30 E F 0100 6,9URD30EF0100
High-speed fuse offering reliable circuit safeguarding in demanding industrial and power electronics applications. Compliant with IEC 690VAC and UL 700VAC standards, with integrated striker and open slot blade design for easy status indication and quick installation.
£58.49
Why Choose the Mersen K300090 Protistor® High-Speed Fuse?
The Mersen K300090 (PC30UD69V100EF) is a premium square body high-speed semiconductor fuse engineered to provide exceptional protection for sensitive power electronic equipment. As part of the trusted Mersen Protistor® Size 30 series, this ultra-fast aR fuse protects diodes, thyristors, IGBTs and MOSFET devices used in demanding industrial power conversion applications.
Designed to deliver rapid fault interruption with low let-through energy, the K300090 helps minimise semiconductor damage during short circuits while reducing equipment downtime. Its ceramic body, silver-plated contacts and solidified sand construction provide outstanding electrical performance, high interrupting capacity and long-term reliability in industrial environments.
With a rated current of 100 A and a 690 V AC IEC / 700 V AC UL voltage rating, the K300090 is ideally suited for variable speed drives, UPS systems, industrial converters, renewable energy systems and other high-performance power electronic installations requiring dependable semiconductor protection.
Key Advantages
- Ultra-fast aR semiconductor protection fuse.
- 100 A current rating for industrial power applications.
- 690 V AC IEC / 700 V AC UL voltage rating.
- Protects IGBTs, MOSFETs, thyristors and power diodes.
- High 200 kA breaking capacity for dependable fault protection.
- Integrated striker indicator for remote monitoring.
Key Features
- Mersen Protistor® Size 30 series.
- Catalogue number PC30UD69V100EF.
- 100 A rated current.
- 690 V AC IEC / 700 V AC UL rated voltage.
- aR ultra-fast operating characteristic.
- Open slot blade terminals.
- Integrated striker indicator.
- Silver-plated contact surfaces.
- Ceramic body with solidified sand arc-quenching technology.
- Low I²t characteristics for semiconductor protection.
Reliable Semiconductor Protection for Industrial Power Systems
High-speed semiconductor fuses are designed to interrupt fault currents before expensive power electronic components can be damaged. Their ultra-fast operation and low let-through energy improve equipment reliability, reduce maintenance costs and minimise production downtime in demanding industrial applications.
The Mersen Protistor® Size 30 range is widely used by OEMs and industrial engineers for protecting variable speed drives, converters, UPS systems and renewable energy equipment where dependable semiconductor protection is essential.
Typical Applications
- Variable speed drives.
- Industrial power converters.
- IGBT inverter protection.
- Thyristor and diode rectifiers.
- UPS systems.
- Renewable energy inverters.
- Motor control centres.
- Industrial automation equipment.
Technical Specifications
Tick the specs you need, then view products that match.
| Fuse Indication | Striker | |
|---|---|---|
| Fuse Type | Semiconductor | |
| Fuse Class | aR | |
| Voltage | 690 V | |
| Item number | K300090 | |
| Catalogue No | PC30UD69V100EF | |
| Description | Square Body High-Speed Fuse Protistor® Size 30 aR 690VAC IEC 700VAC UL 100A With Striker Open Slot Blades | |
| EAN/UPC Code | 3605340323351 | |
| Rated voltage AC UL | 700 V | |
| Rated voltage AC IEC | 690 V | |
| Ampere Rating | 100 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC | |
| Speed/Characteristic | aR | |
| Fuse Size | 30 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 2.7 kA²s | |
| Melting I2t | 0.47 kA²s | |
| AC Max I.R./Breaking Capacity | I1: 200 kA | |
| Indication System | Yes | |
| Indication System Type | Striker | |
| Connection/Terminal Material | Silver-Plated Copper | |
| Connection/Terminal Type | Open Slot Blades | |
| Product Width | 40 mm | |
| Product Length | 100 mm | |
| Product Height | 48 mm | |
| Sell Pack Quantity | 3 EA | |
| Sell Pack Weight | 0.7959 kg | |
| Sell Pack Width | 140 mm | |
| Sell Pack Length | 143 mm | |
| Sell Pack Height | 65 mm | |
| Product group | Semiconductor Protection Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.2653 kg | |
| Power Dissipation at Rated Current Value | 26 W | |
| HS Code | 85361090 | |
| Country of Manufacture | France |
Frequently Asked Questions
What is the Mersen K300090 used for?
It provides ultra-fast protection for semiconductor devices including IGBTs, MOSFETs, thyristors and power diodes used in industrial power conversion equipment.
What is the current rating of this fuse?
The Mersen K300090 has a 100 A current rating.
What voltage is this fuse designed for?
The fuse is rated for 690 V AC (IEC) and 700 V AC (UL) operation.
Does this fuse include an indicator?
Yes, it incorporates an integrated striker indicator for remote fuse status monitoring.
What applications is this fuse suitable for?
It is ideal for protecting semiconductors in drives, UPS systems, industrial converters, renewable energy installations and other power electronic equipment.
Trusted by Industrial Power Engineers Worldwide
Mersen Protistor® semiconductor fuses are trusted worldwide by OEMs and industrial engineers for delivering reliable protection, high interrupting capacity and long-term performance in demanding power electronic applications.
